9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.307 Low
EPSS
Percentile
96.9%
12/20/2021
Critical
Multiple vulnerabilities were found in Apache HTTP Server. Malicious users can exploit these vulnerabilities to cause denial of service, bypass security restrictions.
Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.
Apache HTTP Server 2.4.x earlier than 2.4.52
Update to the latest version
Download Apache HTTP Server
Fixed in Apache HTTP Server 2.4.52
DoS
CVE-2021-442248.2Critical
CVE-2021-447909.8Critical
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44224
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44790
httpd.apache.org/download.cgi
httpd.apache.org/security/vulnerabilities_24.html#2.4.52
statistics.securelist.com/vulnerability-scan/month
threats.kaspersky.com/en/class/Exploit/
threats.kaspersky.com/en/product/Apache-HTTP-Server/
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.307 Low
EPSS
Percentile
96.9%